YOTHIKARN, W. The activities reinforcing value and happiness of the elderly in elderly schools. Journal of Social Synergy, [S. l.], v. 11, n. 2, p. 37–53, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/thaijss/article/view/244396. Acesso em: 6 may. 2024.